patty lee, ktvu, channel 2 news. >>> ktvu meteorologist mark tamayo is tracking conditions in the ocean right now and joins us from the weather center. it looks like the waves are pretty flat now. >> yeah. when you look at current conditions, bowie heights not impressive, maybe 2 to 4 feet, but things are changing way out in the pacific. here is a model of the swell heights. let me look at some of the spots out to our west. not too impressive out here about, 4 feet, but look what happens to the west of this line here jumping up 15 feet, closer to 18 feet. so we have some major swell on the way set to move into the region as we head into saturday, but especially sunday. as a result high surf advisory begins tomorrow morning at 10:00 until 4:00 sunday afternoon. the dangerous part here, we'll have very nice weather this weekend, a lot of the visitors to the bay area shoreline. you want to be extra chafe because we'll have periods of calm seas, but during that period you'll have swells increasing. as far as the forecast for mavericks that, swell gets amplified as it gets focused closer to